00445nam a2200193Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001700095100002300112245002000135250000600155260004200161300001600203365001300219650001900232OSt20230503160402.0210423s2012    xx            000 0 und d  a9788177582307  cAL  aeng  a539 KRAK223  aKRANE (Kenneth S).  aModern physics.  a2  aNew DelhibPHI Learning Pvt Ltdc2012  axiv,581bPB  b539cINR  aModern Physics